3M BK4936 用户手册

Page i

053-469 RevC
SoundPro models SE and DL Addendum

Table of Contents

About this manual ______________________________________________________________________ 1

Introduction of Specifications _____________________________________________________________ 1

Filter Information ___________________________________________________________________________ 1

Magnetic fields ______________________________________________________________________________ 1

Midband frequency __________________________________________________________________________ 2

Table A.1- Octave-band filters _______________________________________________________________________ 2

Table A.2- Midband frequencies for the 1/3 octave-band filters _____________________________________________ 2

Microphone Classes defined ______________________________________________________________ 3

Table A.3- Tolerance class for Microphone accessory combination __________________________________________ 3

Self Generated Noise ____________________________________________________________________ 4

Broadband _________________________________________________________________________________ 4

Table A.4 - Fast Response __________________________________________________________________________ 4

Table A.5- Slow Response __________________________________________________________________________ 4

Octave Band ________________________________________________________________________________ 5

A-Weighting _______________________________________________________________________________________ 5

Table A.6- Fast Response, and SPL ___________________________________________________________________ 5

Table A.7- Fast Response, and LEQ ___________________________________________________________________ 5

Table A.8 - Slow Response, and SPL __________________________________________________________________ 5

Table A.9- Slow Response and LEQ __________________________________________________________________ 6

C-Weighting _______________________________________________________________________________________ 6

Table A.10 - Fast Response and SPL __________________________________________________________________ 6

Table A.11- Fast Response and LEQ __________________________________________________________________ 6

Table A.12- Slow Response and SPL __________________________________________________________________ 7

Table A.13- Slow Response and LEQ _________________________________________________________________ 7

Z-Weighting _______________________________________________________________________________________ 8

Table A.18- Fast Response and SPL ___________________________________________________________________ 8

Table A.19- Fast Response and LEQ __________________________________________________________________ 8

Table A.20- Slow Response and SPL __________________________________________________________________ 9

Table A.21- Slow Response and LEQ _________________________________________________________________ 9

1/3 Octave Band ____________________________________________________________________________ 10

A-Weighting ______________________________________________________________________________________ 10

Table A.22- Fast Response and SPL __________________________________________________________________ 10

Table A.23- Fast Response and LEQ _________________________________________________________________ 11

Table A.24- Slow Response and SPL _________________________________________________________________ 12

Table A.24- Slow Response and SPL _________________________________________________________________ 12

Table A.25- Fast Response and LEQ _________________________________________________________________ 13

Table A.26- Slow Response and SPL _________________________________________________________________ 14

Table A.27 - Slow Response and LEQ ________________________________________________________________ 15

C-Weighting ______________________________________________________________________________________ 16

Table A.28- Fast Response and SPL __________________________________________________________________ 16

Table A.29- Fast Response and LEQ _________________________________________________________________ 17

Table A.30- Slow Response and SPL _________________________________________________________________ 18

Table A.31- Slow Response and LEQ ________________________________________________________________ 19

Z-Weighting ______________________________________________________________________________________ 20

Table A.32- Z Weighting, Fast Response, SPL _________________________________________________________ 20